UN R138: Proposal for Supplement 1 to the 02 series of amendments
Proposal to clarify that the maximum sound pressure requirement at the front plane at standstill condition in reverse shall be equal to the maximum level requirement in motion (defined by the QRTV task force as 75 dB(A) for both standstill and reverse driving).
This proposal (WP.29/2025/4) was adopted by the World Forum. Thirty-six Contracting Parties out of the 59 applying UN R138 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.